<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>请选择你喜欢的专栏</title>
</head>
<style>
  * {
    margin: 0;
    padding: 0;
  }

  div {
    text-align: center;
  }

  table {
    margin: 0 auto;
  }
</style>

<body>
  <div id="app">
    <h3>请选择你喜欢的专栏</h3>
    <label v-for="(item,index) in list" :key="index">
      <!-- 双向绑定 谁选中了就将元素 添加给新数组 -->
      <input type="checkbox" :value="item" v-model="listn" />{{item}}
    </label>
    <ul>
      <li v-for="(item,index) in listn" :key="index">{{item}}</li>
    </ul>
  </div>
  <script src="./js/vue-2.7.14.js"></script>
  <script>
    new Vue({
      el: '#app',
      data: {
        listn: [],
        list: ["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      }
    })
  </script>
</body>

</html>